
/*******************************************************************************
 * Copyright (c) 1991, 2019 IBM Corp. and others
 *
 * This program and the accompanying materials are made available under
 * the terms of the Eclipse Public License 2.0 which accompanies this
 * distribution and is available at https://www.eclipse.org/legal/epl-2.0/
 * or the Apache License, Version 2.0 which accompanies this distribution and
 * is available at https://www.apache.org/licenses/LICENSE-2.0.
 *
 * This Source Code may also be made available under the following
 * Secondary Licenses when the conditions for such availability set
 * forth in the Eclipse Public License, v. 2.0 are satisfied: GNU
 * General Public License, version 2 with the GNU Classpath
 * Exception [1] and GNU General Public License, version 2 with the
 * OpenJDK Assembly Exception [2].
 *
 * [1] https://www.gnu.org/software/classpath/license.html
 * [2] http://openjdk.java.net/legal/assembly-exception.html
 *
 * SPDX-License-Identifier: EPL-2.0 OR Apache-2.0 OR GPL-2.0 WITH Classpath-exception-2.0 OR LicenseRef-GPL-2.0 WITH Assembly-exception
 *******************************************************************************/

#if !defined(TRACE_OUTPUT_HPP_)
#define TRACE_OUTPUT_HPP_
 
#include "j9.h"
#include "j9cfg.h"

#include "VerboseOutputAgent.hpp"

/**
 * Output agent which directs verbosegc output to a tracepoint.
 */
class MM_VerboseTraceOutput : public MM_VerboseOutputAgent
{
private:

	bool initialize(MM_EnvironmentBase *env);
	
	bool _componentLoaded; /**< has the trace component been initialized? */
	
public:
	virtual bool reconfigure(MM_EnvironmentBase *env, const char *filename, UDATA fileCount, UDATA iterations) { return true; };

	/* Output Routine */
	virtual void formatAndOutput(J9VMThread *vmThread, UDATA indent, const char *format, ...);
	
	virtual void endOfCycle(J9VMThread *vmThread);
	
	virtual void closeStream(MM_EnvironmentBase *env);
	
	static MM_VerboseTraceOutput *newInstance(MM_EnvironmentBase *env);

	MM_VerboseTraceOutput(MM_EnvironmentBase *env) :
		MM_VerboseOutputAgent(env, TRACE),
		_componentLoaded(false)
	{}
};

#endif /* TRACE_OUTPUT_HPP_ */
